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<div><br></div><div><div><span class="Apple-style-span" style="font-family: Consolas; "><br></span></div><div><span class="Apple-style-span" style="font-family: Consolas; ">1. 利用查询构造器删除数据，明确带条件和不带条件的不同</span></div></div><div><span class="Apple-style-span" style="font-family: Consolas; "><br></span></div><div><span class="Apple-style-span" style="font-family: Consolas; ">2. 删除数据的条件改为大于等于</span></div><div><span class="Apple-style-span" style="font-family: Consolas; "><br></span></div><div><span class="Apple-style-span" style="font-family: Consolas; ">3. 实践来比较不带条件的delete和truncate的不同</span></div><script type="text/javascript" language="javascript" src="jquery.js"></script><script type="text/javascript" language="javascript" src="itemlink.js"></script></body></html>